Dovecot up to 2.3.5.1 JSON Encoder Username Crash denial of service

A vulnerability was found in Dovecot up to 2.3.5.1 (Mail Server Software) and classified as problematic. Affected by this issue is a part of the component JSON Encoder. The manipulation as part of a Username leads to a denial of service vulnerability (Crash). Using CWE to declare the problem leads to CWE-404. Impacted is availability.

The weakness was shared 04/24/2019. The advisory is shared for download at dovecot.org. This vulnerability is handled as CVE-2019-10691 since 04/02/2019. There are neither technical details nor an exploit publicly available.

Upgrading to version 2.3.5.2 eliminates this vulnerability.

Name

VulDB Meta Base Score: 3.5
VulDB Meta Temp Score: 3.4

VulDB Base Score: ≈3.5
VulDB Temp Score: ≈3.4
VulDB Vector: ?
VulDB Reliability: ?

VulDB Base Score: ?
VulDB Temp Score: ?
VulDB Reliability: ?
Class: Denial of service / Crash (CWE-404)
Local: Yes
Remote: No

Availability: ?
Status: Not defined

Price Prediction: ?
Current Price Estimation: ?

Threat Intelligenceinfoedit

Threat: ?
Adversaries: ?
Geopolitics: ?
Economy: ?
Predictions: ?
Remediation: ?Recommended: Upgrade
Status: ?
0-Day Time: ?

Upgrade: Dovecot 2.3.5.2

04/02/2019 CVE assigned
04/24/2019 +22 days Advisory disclosed
04/25/2019 +1 days VulDB entry created
04/25/2019 +0 days VulDB last updateAdvisory: dovecot.org

CVE: CVE-2019-10691 (?)

Created: 04/25/2019 08:12 AM
Complete: ?

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